html {
    width: 100%;
    overflow-x: hidden;
}
.main-content{
    widows: 100%;
}
/* pc端下载 */
.main-content .pc-down{
    padding-bottom: 60px;
    background-color: #fff;
}
.main-content .pc-down .p{
    text-align: center;
    font-size: 44px;
    line-height: 44px;
    padding: 80px 0 40px;
    color: #333;
}
.main-content .pc-down .pc-ul{
    width: 604px;
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
}
.main-content .pc-down .pc-ul li{
    position: relative;
    height: 327px;
    width: 272px;
    border-radius: 2px;
    box-shadow: 0px 4px 16px 0px #d1dce8;
    background-color: #fff;
}
.main-content .pc-down .pc-ul .logo-box a{
    display: block;
    width: 100px;
    height: 100px;
    background:#EFF2F5 url(https://note.youdao.com/images/download/download-windows-4bb2098f19.png) 50% 50% no-repeat;
    background-size: 48px 48px;
    border-radius: 50px;
    margin: 0 auto;
    margin-top: 45px;
}
.main-content .pc-down .pc-ul .logo-box .pc-down-logo2{
    background-image: url(https://note.youdao.com/images/download/download-mac-254f943325.png);
}
.main-content .pc-down .pc-ul .logo-box a:hover{
    background: url(https://note.youdao.com/images/download/item_icon_hover-c254ec5461.png);
}
.main-content .pc-down .pc-ul .down-p{
    font-size: 18px;
    color: #515666;
    margin-top: 30px;
    text-align: center;
}
.main-content .pc-down .pc-ul .btn-box{
    margin: 26px 0 15px;
}
.main-content .pc-down .pc-ul .btn-box .down-btn{
    display: block;
    width: 150px;
    height: 45px;
    line-height: 45px;
    border-radius: 2px;
    background: #5383FE;
    color: #ffffff;
    font-size: 17px;
    text-align: center;
    margin: 0 auto;
}
.main-content .pc-down .pc-ul .btn-box .down-btn:hover{
    background: rgb(101,144,254);
}
.main-content .pc-down .pc-ul .version-box .version{
    color: #5383FE;
    font-size: 15px;
    width: 80px;
    display: flex;
    margin: 0 auto;
    cursor: pointer;
}
.main-content .pc-down .pc-ul .version-box .version span{
    font-size: 5px;
    margin: 5px 0 10px 5px;
}
.main-content .pc-down .pc-ul .version-box .version-down{
    width: 251px;
    height: 140px;
    z-index: 10;
    background-color: #fff;
    padding: 12px 22px 22px;
    box-sizing: border-box;
    position: relative;
    left: 83px;
    top: 3px;
    box-shadow: 0px 4px 20px rgb(172 184 197 / 60%);
    border-radius: 2px;
    display: none;
}
.main-content .pc-down .pc-ul .version-box .mac-down{
    height: 108px;
}
.main-content .pc-down .pc-ul .version-box .version-down p{
    font-size: 16px;
    font-weight: 600;
    line-height: 22px;
    color: #000;
    margin: 10px 0;
}
.main-content .pc-down .pc-ul .version-box .version-down a{
    color: #5383FE;
    font-size: 14px;
    display: inline-block;
}
.main-content .pc-down .pc-ul .version-box .version-down .w7-down{
    margin: 12px 0;
}

/* 移动端下载 */
.main-content .mp-down{
    background: #f5f7fa;
    padding-bottom: 100px;
    position: relative;
}
.main-content .mp-down .p{
    text-align: center;
    font-size: 44px;
    line-height: 44px;
    padding: 40px 0 40px;
    color: #333;
}
.main-content .mp-down .mp-ul{
    width: 604px;
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
}
.main-content .mp-down .mp-ul li{
    position: relative;
    height: 327px;
    width: 272px;
    border-radius: 2px;
    box-shadow: 0px 4px 16px 0px #d1dce8;
    background-color: #fff;
    z-index: 2;
}
.main-content .mp-down .mp-ul li .scan{
    position: absolute;
    height: 327px;
    width: 272px;
    top: 0;
    left: 0;
    background-color: #fff;
    display: none;
}
.main-content .mp-down .mp-ul li .scan .code-box{
    width: 120px;
    height: 120px;
    margin: 50px auto;
}
.main-content .mp-down .mp-ul li .scan img{
    width: 120px;
    height: 120px;
}
.main-content .mp-down .mp-ul .logo-box a{
    display: block;
    width: 100px;
    height: 100px;
    background:#EFF2F5 url(https://note.youdao.com/images/download/download-ios-6b22733f19.png) 50% 50% no-repeat;
    background-size: 48px 48px;
    border-radius: 50px;
    margin: 0 auto;
    margin-top: 45px;
}
.main-content .mp-down .mp-ul .logo-box .down-logo2{
    background-image: url(https://note.youdao.com/images/download/download-android-6aff954f91.png);
}
.main-content .mp-down .mp-ul .down-p{
    font-size: 18px;
    color: #515666;
    margin-top: 30px;
    text-align: center;
}
.main-content .mp-down .mp-ul .btn-box{
    margin: 26px 0 15px;
}
.main-content .mp-down .mp-ul .btn-box .down-btn{
    display: block;
    width: 150px;
    height: 45px;
    line-height: 45px;
    border-radius: 2px;
    background: #5383FE;
    color: #ffffff;
    font-size: 17px;
    text-align: center;
    margin: 0 auto;
}
.main-content .mp-down .mp-ul .btn-box .down-btn:hover{
    background: rgb(101,144,254);
}
.main-content .mp-down .mp-ul .rig-logo{
    position: absolute;
    top: 0;
    right: 0;
    width: 0px;
    height: 0px;
    border: 32px solid #5383FE;
    border-left: 32px solid transparent;
    border-bottom: 32px solid transparent;
}
.main-content .mp-down .mp-ul .rig-logo:hover ~ .scan{
    display: block;
}
.main-content .mp-down .mp-ul .rig-logo img{
    transform: translateY(-24px);
}
.main-content .mp-down>img{
    position: absolute;
}
.main-content .mp-down .left-img{
    top: -95px;
    left: 225px;
}
.main-content .mp-down .right-img{
    bottom: 0px;
    right: 225px;
}